Home / 1,265,072.40-1,745,819.60-692,122.14

Finding the Fourth Proportional to 1,265,072.40, 1,745,819.60 and 692,122.14

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Solution

The fourth proportional to 1,265,072.40, 1,745,819.60 and 692,122.14 is: 955,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,072.40 : 1,745,819.60 = 692,122.14 : x
  2. Step 2: Convert to fraction form
    1,265,072.40/1,745,819.60 = 692,122.14/x
  3. Step 3: Cross multiply
    1,265,072.40x = 1,745,819.60 × 692,122.14
  4. Step 4: Simplify right side
    1,265,072.40x = 1,208,320,394,145.33
  5. Step 5: Solve for x
    x = 1,208,320,394,145.33/1,265,072.40
  6. Step 6: Final answer
    x = 955,139.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.